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Finding the Fourth Proportional to 456,765.27, 685,131.48 and 119,803.23

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Solution

The fourth proportional to 456,765.27, 685,131.48 and 119,803.23 is: 179,700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,765.27 : 685,131.48 = 119,803.23 : x
  2. Step 2: Convert to fraction form
    456,765.27/685,131.48 = 119,803.23/x
  3. Step 3: Cross multiply
    456,765.27x = 685,131.48 × 119,803.23
  4. Step 4: Simplify right side
    456,765.27x = 82,080,964,278.68
  5. Step 5: Solve for x
    x = 82,080,964,278.68/456,765.27
  6. Step 6: Final answer
    x = 179,700.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.